The Gardener's Forum.

May 23, Jim, large amount of fruit drop may occur when the lime tree is under stress due to overwatering or underwatering, high heat or extreme cold, or rapid changes in air temperature and moisture.

Fruit drop is usually preceded by blossom drop. Fruit may develop to the size of a pea, and/may also fall off if the flowers have not been pollinated.

Young fruit (smaller than 1 inch in diameter) may drop in May, June and/or July. Some fruit drop is natural. Excessive drop may be due to drought stress, sudden high temperatures, low humidity, or nitrogen deficiency.

Heavy pruning, thrips, mites, or spray injury can also cause fruit to drop. Apr 16, Citrus trees will cause the greatest concern for most gardeners – they will shed many blossoms and later in the season, fruit as large as walnuts will fall to the ground.

All varieties of citrus produce more blossoms than the tree can possibly set – approximately 98% will fall even under the best cultural management shrubgrinding.barted Reading Time: 3 mins. What actually kills the tree is a lack of oxygen at the tree's roots - which is caused by growing the tree in a poor bay tree plant cuttings medium.

When a citrus tree is planted in a highly areable medium, with good dranage it is VERY hard to over water. The blame rightly belongs on a poorly constructed medium and not the water. Dec 10, Summer Drop During the late spring and early summer, most citrus trees will naturally drop tiny, marble-sized fruit.

Citrus trees lose some of the developing fruits to prevent the tree.